383948093889 has 12 divisors (see below), whose sum is σ = 554944729872. Its totient is φ = 255802455000.

The previous prime is 383948093863. The next prime is 383948093897. The reversal of 383948093889 is 988390849383.

383948093889 is a `hidden beast` number, since 3 + 8 + 39 + 480 + 9 + 38 + 89 = 666.

It is not a de Polignac number, because 383948093889 - 2⁷ = 383948093761 is a prime.

It is a super-2 number, since 2×383948093889² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (383948093839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13563487 + ... + 13591764.

It is an arithmetic number, because the mean of its divisors is an integer number (46245394156).

Almost surely, 2^383948093889 is an apocalyptic number.

It is an amenable number.

383948093889 is a deficient number, since it is larger than the sum of its proper divisors (170996635983).

383948093889 is a wasteful number, since it uses less digits than its factorization.

383948093889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27156828 (or 27156825 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 72.

The spelling of 383948093889 in words is "three hundred eighty-three billion, nine hundred forty-eight million, ninety-three thousand, eight hundred eighty-nine".